PROCESS FOR TREATING SILICA-BEARING MATERIAL - Patent 0765291

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EP 0 765 291 A1

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(43)	Date of publication:
	02.04.1997 Bulletin 1997/14

(21)	Application number: 95924596.0

(22)	Date of filing: 16.06.1995

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International Patent Classification (IPC):

C01G 25/ 00^{( . )}
C01B 33/ 18^{( . )}

C01B 33/ 00^{( . )}
C01G 25/ 02^{( . )}

(86)	International application number:
	PCT/US1995/007636

(87)	International publication number:
	WO 1995/035260 (28.12.1995 Gazette 1996/03)

(84)	Designated Contracting States:
	AT BE DE ES FR GB GR IE IT NL PT

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Priority:

17.06.1994 ZA 19940004342
21.02.1995 ZA 19950001432

(71)	Applicant: ATOMIC ENERGY CORPORATION OF SOUTH AFRICA LIMITED
	Transvaal Province (ZA)

(72)	Inventors:
	DE WET, Willem, Johannes Pretoria 0186 (ZA) DE BEER, Jacob, Adriaan Pretoria West 0183 (ZA)

(74)	Representative: Barlow, Roy James
	J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)

(54)	PROCESS FOR TREATING SILICA-BEARING MATERIAL